• MOTRIN
• (+-)-2-(p-Isobutylphenyl)propionic acid
• HEFNNWSXXWATRW-UHFFFAOYSA-N
• PROPIONIC ACID, 2-/P-ISOBUTYLPHENYL/-,
• 2-(4-Isobutylphenyl)propionic acid
• 4-Isobutyl-a-methylphenylacetic acid
• Benzeneacetic acid, alpha-methyl-4-(2-methylpropyl)-
• 2-(4-isobutylphenyl)propanoic acid
• (+/-)-2-(4-ISOBUTYLPHENYL)-PROPIONIC ACID
• AKOS NCG1-0060
• 2-(4-(But-2-yl)phenyl)propanoic acid
• 2-[4-(2-Methylpropyl)phenyl]propanoic acid

This compound is available in the following databases:

Wiley Registry of Tandem Mass Spectral Data: MS for ID

Author: Herbert Oberacher, Institute of Legal Medicine, Innsbruck/Austria

The Wiley Registry® of Tandem Mass Spectral Data: MS for ID contains 10,000 positive and negative mode spectra of over 1200 compounds of interest for forensics, toxicology, and pathology. Learn more.

Mass Spectra of Designer Drugs 2024

Author: Peter Rösner

This library enables fast and reliable identification of the latest illegal designer drugs. It is updated annually. Learn more.

KnowItAll NMR Spectral Library

Author: Wiley

The KnowItAll NMR Spectral Library offers a comprehensive collection of NMR reference spectra, including NMR, CNMR, and XNMR, and covers a wide range of compounds including organics, polymers, monomers, metabolites, and more. Learn more.

KnowItAll IR, Raman, and UV-Vis Spectral Libraries

Author: Wiley

The KnowItAll IR, Raman, and UV-Vis spectral libraries offer access to the world's largest collection of IR, Raman, and UV-Vis spectra, including the renowned Sadtler spectra. The libraries include a wide range of compounds from pure organics to industrial compounds. Learn more.

KnowItAll Mass Spectral Library

Author: Wiley

The KnowItAll Mass Spectral Library offers a comprehensive collection of mass spectra, including the renowned Wiley Registry, and access to a wide range of compounds including pure organics, drugs, steroids, additives, geochemicals, petrochemicals, biomarkers, and more. Learn more.

Maurer, Meyer, Pfleger, Weber: GC-MS Library of Drugs, Poisons, and Their Metabolites 6th Edition

Author: Hans H. Maurer, Markus Meyer, Karl Pfleger, Armin A. Weber

Identification of trace drugs, poisons, and pollutants requires broad coverage of specific compound classes: metabolites, acetylated, methylated, trimethylsilylated, trifluoroacetylated, pentafluoropropionylated, and heptafluorobutyrylated compounds. Learn more.

Wiley Registry of Mass Spectral Data 2023

Author: Wiley

The foundation library for any analytical laboratory running mass spectrometry, the Wiley Registry provides the broadest coverage available in any mass spectral library Learn more.